Analysis of Diagrid Structural System for High Rise Steel Buildings

Document Type : Original Article


Department of Civil Engineering, Annasaheb Dange College of Engineering & Technology Ashta, Dist. Sangli, Maharashtra, India


The fast growth of the population and the growing cost of the land leads the construction of buildings to the sky. But as the height of the structure increases, the lateral load resistance mechanism is more important than the response of gravity loading to the structural arrangement. The common systems used to resist lateral loads are braced tube systems, shear walls, rigid frames, wall-frame, outrigger system and tubular systems. The dissertation work goal is to explore the applicability of diagrid structures in high rise steel structures, over the conventional construction systems. This work introduces the analysis of high-rise buildings with a diagrid system. A square plan of size 32 m × 32 m is considered for the study of the behaviour of high-rise buildings with diagrid arrangements. All structural members such as beams, columns are analyzed considering all load combinations as per IS 800:2007. Similarly, analysis is carried out for G+40, G+60 and G+80 storey building models with diagrid arrangements. Comparison of terms such as storey shear, storey displacement and storey drift are also presented in this paper. By using ETABS software the modelling and analysis of structural members are carried out. Diagrid arrangement gives a without column structure which decreases steel required as compared to conventional buildings. Also, they look decent from a beautiful perspective. The diagrid structure performs well in all the parameters such as performance, expression and stability. Diagrid structure is more stiff than other structures.


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